Guys, I don't know how to fix this, I lost my IMEI after flashing aosp extended unofficial Oreo.
I have a efs backup but after restoring it, IMEI didn't change, don't know if my backup is bad or something. I know my IMEI number and it's saved in my laptop.
Any idea serves
I'd say backup all your pictures and videos and backups and stuff to your laptop and flash stock 7.1.1 again (the latest available). Then, in case it's still gone, try to update to 8.0. in my case this worked and... I didn't had a efs backup .
Same here, flashed the latest 7.1.1 Stock Rom with rsd lite 6.2.4 and imei was 0. Then i flashed stock Oreo update per sideload and imei was back.
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my imei is null/null ive tried flashing to stock rom http://forum.xda-developers.com/showthread.php?t=1506330 but it didnt recover the imei. is there anyway to fix this?
Stock modem.
rangercaptain said:
Stock modem.
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Does not work, ive tried the modems from http://forum.xda-developers.com/showthread.php?t=1769255
You have to return to stock completely.
rangercaptain said:
You have to return to stock completely.
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Sorry to ask but, how do i do that? Is it this? http://forum.xda-developers.com/showthread.php?t=1506330
Ive flashed the AT&T stock rom already and it doesnt fix it
I had to do this the other day, for the same reason. Returning to stock Gingerbread from the link you posted did not restore the IMEI for me. However, I found a stock ICS .tar online that DID restore my IMEI: http://www.hotfile.com/dl/162779447/3bb6230/I717UCLF6_I717ATTLF6_ATT.zip.html
I did a full nandroid backup, flashed stock ICS and verified the IMEI had returned, re-flashed TWRP and made a backup of only the EFS partition, restored my full nandroid backup and then restored the new EFS backup over that. Worked great and I had almost no downtime.
Only issue I have now is flashing the GB modem sets my IMEI as 0. I normally wouldn't care, because I can still connect to everything, but Cerberus won't run without a valid IMEI. Restoring my EFS backup does nothing. Returning to the ICS modem restores the IMEI again. Blah.
still availible?
Do you by any chance still got the file, I have been looking for such a file like that, my imei shows null as well as the baseband does and i have tried every single modem or ROM i've found , had no luck, most of the roms will just reboot every 2 min on my galaxy note, but 1 stock ICS at&t rom, works perfectly but got no luck getting back my imei, would be so great if you could help.
johnus said:
I had to do this the other day, for the same reason. Returning to stock Gingerbread from the link you posted did not restore the IMEI for me. However, I found a stock ICS .tar online that DID restore my IMEI:
I did a full nandroid backup, flashed stock ICS and verified the IMEI had returned, re-flashed TWRP and made a backup of only the EFS partition, restored my full nandroid backup and then restored the new EFS backup over that. Worked great and I had almost no downtime.
Only issue I have now is flashing the GB modem sets my IMEI as 0. I normally wouldn't care, because I can still connect to everything, but Cerberus won't run without a valid IMEI. Restoring my EFS backup does nothing. Returning to the ICS modem restores the IMEI again. Blah.
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Hello All.
I have a Samsung Galaxy S3 international (GT-I9300 - OS 4.0.4 - I9300DXLE8 baseband) I applied a ROM update (4.2.1) and lost signal. I then flashed again using various ROMS but nothing. I did some research about the EFS folder and using the XXEMG4 modem binary to get the IMEI number back from the generic one but now I cannot connect to any of the mobile carriers that are found. I have to admit, before I discovered the XXEMG4 issue (from a thread here) I did (mistakenly) look in to the EFS folder and I confess I most likely have messed that up and that may be the reason I cannot get a signal any further even though I can get the correct IMEI?
Is there anything I can do which would not involve sending the phone to Samsung? Flashing the stock ROM did not fix it and now, I have found, regardless of what ROM I flash, I must also flash the XXEMG4 modem as well otherwise I just get a generic IMEI number. I blame myself and my own stupidity for not reading more about the EFS system first (and not making a backup either) so I just wanted clarification that there is nothing more I can do.
To summarise:
Updated ROM and lost IMEI (generic)
Did not back up EFS folder
Flashed various ROMS - no service & generic IMEI
Flashed ROM with XXEMG4 modem
Phone IMEI is correct but still no service - emergency calls only
Ariza patch did nothing, factory reset does nothing, stock ROM does nothing.
Many thanks for your time.
Install the patched mg4 modem and all should be fixed
Sent from my iPhone using Tapatalk
Start from beginning flash leaked firmware via odin from sammobile
Then root by cfroot
Install recovery and then flash custom recovery..
Also if u do have a backup of stock with working imei then u cn restore that if u dnt want to do the odin procedure..
Thanks for the replies but I seem to have fixed it.
I restored back to stock ROM, restored EFS Backup using KTools and restarted the phone and all is well.
I am now backing the phone up completely using EFS Pro.
Many thanks.
If you've corrupted files in the efs folder then no, there is nothing you can do yourself. The repair should not be too expensive as no hardware needed replacing.
Edit. You wrote 'didn't backup efs', but now say you've solved it by restoring your backup -which is the whole point of taking a backup before you flash anything.
ianwuk said:
Thanks for the replies but I seem to have fixed it.
I restored back to stock ROM, restored EFS Backup using KTools and restarted the phone and all is well.
I am now backing the phone up completely using EFS Pro.
Many thanks.
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Where can I download Ktools?
Tidus32x said:
Where can I download Ktools?
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Via search XDA
greetings, ive read several threads about the IMEI and efs thing but unfortunately i havent found a solution for my problem yet.
I´ve lost my IMEI because i deleted my efs folder from the root folder of my phone (galaxy s3) and i had no backup. Someone restored the IMEI with Zbox or Octopusbox (not sure which one it was) and everything worked fine. So i made an efs backup and flashed Cyanogenmod, but after flashing the Rom my IMEI was lost again (0049...) and the phone couldnt find a network. Restoring the efs backup did not work and so i had to go back to stock and let the guy restore the IMEI again.
And here comes my question: I am currently on stock rom with rooted kernel (havent flashed any rom since the second restore because i dont want to risk losing the IMEI again) and i really like to change the Rom because you know stock rom is kinda bad. Does anyone have a clue what i need to look out for or why my IMEI gets corrupted on flashing another Rom?
What version of firmware did it come back from the repair with?
Usually a poor repair will install an older firmware, with efs v1, as boxes won't work on v2. Trying to update to a newer firmware, v2, will corrupt the imei.
Sent from my GT-I9300 using Tapatalk
boomboomer said:
What version of firmware did it come back from the repair with?
Usually a poor repair will install an older firmware, with efs v1, as boxes won't work on v2. Trying to update to a newer firmware, v2, will corrupt the imei.
Sent from my GT-I9300 using Tapatalk
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the firmware wasnt changed at all, it was UGMK6 stock with CF-rooted Kernel. the IMEI got restored via samsung tool on my pc and it got connected to the box via UsbOverEthernet client. The console only showed like:
-checking root access
-writing IMEI to phone
-patching modem
-ok
is there a way to check if i have efs v1 or v2?
Hello xda I am at my wits end over this.
Basically I got sick of stock roms and wanted my phone to be faster so I decided to install cyanogenmod, that was grand. Phone could still send texts and call people. Then I wanted to change to miui, I backed up my efs files with efspro like the step by step guide said and done everything correctly. Once I finished, my efs folder got corrupted because I had the 0049 imei.
Nothing is showing up in efsprofessional for restore. I downloaded a stock 4.3 rom for my phone, it restored my imei code but I didnt have it unlocked. I backed up efs again, flashed to 4.1.1 but I still couldn't restore efs. I downloaded ktool and other programs, it says I restored efs but when I reboot the phone, it doesn't seem to work.
I don't know what to do. I have the backups but it seems like nothing is working. Are older versions of efsprofessional less temperamental? Is there any stock roms that would work better? Any help?
If there is any questions, please ask away. Thank you
suckylemon said:
Hello xda I am at my wits end over this.
Basically I got sick of stock roms and wanted my phone to be faster so I decided to install cyanogenmod, that was grand. Phone could still send texts and call people. Then I wanted to change to miui, I backed up my efs files with efspro like the step by step guide said and done everything correctly. Once I finished, my efs folder got corrupted because I had the 0049 imei.
Nothing is showing up in efsprofessional for restore. I downloaded a stock 4.3 rom for my phone, it restored my imei code but I didnt have it unlocked. I backed up efs again, flashed to 4.1.1 but I still couldn't restore efs. I downloaded ktool and other programs, it says I restored efs but when I reboot the phone, it doesn't seem to work.
I don't know what to do. I have the backups but it seems like nothing is working. Are older versions of efsprofessional less temperamental? Is there any stock roms that would work better? Any help?
If there is any questions, please ask away. Thank you
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Try this patched modem and kernel
Use PhilZ recovery choose wipe to install a new rom in settings then
1.Flash this ROM v5.2; http://echoerom.com/galaxy-s3-gt-i9300/
2.Flash patched kernel mk6; from here https://drive.google.com/folderview...sharing&tid=0B6MIUd7HJudAbU5YaGkzOUowMG8#list
3.Flash patched modem mk6; from here https://drive.google.com/folderview...sharing&tid=0B6MIUd7HJudAbU5YaGkzOUowMG8#list
4.Reboot.
5 Factory reset if bootloop
hi i was wondering if you guys can help me, i have an efs backup,but i cant seem to be able to restore my imei,i tried Ktool,efs professional,nothing seems to work,i should mention that the efs backup was from a Samsung 4.1.2 stock now my phone is on CM11
thanks
I dont know if cm base and sam base modems are same but if they are:
Firs option: many custom roms come without modems to prevent the country issues so assume that your old modem is still installed you can try to install a new cm modem or like i said if they are same a new version sammy modem.
Second option: go back to stock 4.1.2 and see if your imei is still intact. If not restore your 4.1.2 imei see if it is back. If It is back first try to upgrade official 4.3 via odin then install cm 11 with wipe...
thewalekk said:
I dont know if cm base and sam base modems are same but if they are:
Firs option: many custom roms come without modems to prevent the country issues so assume that your old modem is still installed you can try to install a new cm modem or like i said if they are same a new version sammy modem.
Second option: go back to stock 4.1.2 and see if your imei is still intact. If not restore your 4.1.2 imei see if it is back. If It is back first try to upgrade official 4.3 via odin then install cm 11 with wipe...
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thanks for replying, I flashed a patched modem and kernal from a different post, but I got boot loop,so I restored a backup that I made before flashing from recovery,and for some reason every thing is OK now maybe restoring is the silotion.
BTW the backup was made after I restored my efs.hop that helps someone.
In a way you helped me, thank you.
roguesa said:
thanks for replying, I flashed a patched modem and kernal from a different post, but I got boot loop,so I restored a backup that I made before flashing from recovery,and for some reason every thing is OK now maybe restoring is the silotion.
BTY the backup was made after I restored my efs.hop that helps someone.
In a way you helped me, thank you.
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You got bootloop because that modem and kernel are for sammy 4.3 and yours is CM. The backup you restored, is it nandroid backup and is it 4.1.2 ?
thewalekk said:
You got bootloop because that modem and kernel are for sammy 4.3 and yours is CM. The backup you restored, is it nandroid backup and is it 4.1.2 ?
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no, the backup i restored was from CM 11,thats what surprised me i made the backup in philz touch right before i flashed the patched modem and the kernel to try and solve the imei issue, it was a normal backup (the one where you back every thing),meaning the imei problem was still there,but it was after i tried to restore my original EFS.
so here is what i did in steps
-got corrupted imei on CM 11
-tried to restore with my EFS backup that i made while i was on sammy 4.1.2 using different apps and methods didn't work
-made a full backup using philz before flashing a new modem as suggested
-got boot loop after flashing a new modem
-restored the backup i made before flashing the modem and for some reason my imei was back
roguesa said:
no, the backup i restored was from CM 11,thats what surprised me i made the backup in philz touch right before i flashed the patched modem and the kernel to try and solve the imei issue, it was a normal backup (the one where you back every thing),meaning the imei problem was still there,but it was after i tried to restore my original EFS.
so here is what i did in steps
-got corrupted imei on CM 11
-tried to restore with my EFS backup that i made while i was on sammy 4.1.2 using different apps and methods didn't work
-made a full backup using philz before flashing a new modem as suggested
-got boot loop after flashing a new modem
-restored the backup i made before flashing the modem and for some reason my imei was back
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Click to collapse
I think the reason you got your imei back is the modem you installed with the kernel. So here is what i think happened. You had bootloop so restore got your old kernel back and modem stayed intact. Shortly if you had just installed a new modem from the begenning you would have sold your problem i always say best way to learn is try and fail. i am happy that you have your phone back [emoji106]
I also suggest you to replace the modem with an unpatched clean one. You can have network problem in the future...